Gaseous-fuel mixer



May 1,1923. v1,453,656

D. BONNELL GASEOUS F EL MIXER Filed Aug. 25 1921 W/ T/VESSES IN [/5 IV TOR -Dorotiy jonnell,

/MMQ 6 ,4 TTOR/VEYS Patented May 1, 1923.

UNITED STATES was DOROTHY BONN'ELL, OF WINCHESTER, KENTUCKY.

GASEOUS-FUEL iuIxEa.

Application filed August 25, 1921. Serial No. 495,192.

"of Winchester, in the county of Clark and State of Kentucky, have invented certain new and useful Improvements in Gaseous- Fuel Mixers, of which the following is a specification.

This invention relates to gas mixing devices, and has reference more particularly to devices adapted to promote theintimate mixture of gas fuel elements used to compose the charge in internal combustion engines, and has for an object to promote the intimate mixture of the gas and air comp0sing such fuel.

Another object is to provide an improved device for thoroughly mixing the fuel elements of a charge of simple construction which may be placed in the pipe leading from the carburetor to the manifold of the engine.

Afurther object is to provide a fuel mixing device wherein the admixture of the fuel elements is secured by a mechanism having no movable parts, thus avoiding likelihood of loss or derangement.

A still further object is to provide a device of this character in which the gasoline or other fuel is efiectually broken up and given a whirling motion, thus perfectly mixing and vaporizing the charge and materially aiding in avoiding improper lubrication caused by the introduction of raw gas into an engine.

With these and other objects in view which will become apparent as the description proceeds, the invention consists in certain novel features of construction, arrangement and combination of parts as hereinafter fully set forth and pointed out in theclaims, reference being had to the accompanying drawing forming a part hereof, in which Figure 1 is an elevation of an engine and its carbureter, the oiftake pipe of the carbureter and manifold being in section and the mixer in elevation,

Figure 2 is an enlarged section elevation of the mixer as a unit, and

Figure 3 is a bottom plan view of the mixer.

The mixer comprises a body portion 10 of sheet metal, preferably brass, which is tubular and preferably truncated cone-shaped, the lower end or base being open and expanded to form a flange 11 which will tion and the fit rigidly in an opening 12 in a plate 13, or the flange ll'may extend circumferentially at a right angle and serves as the anchoring means in the joint between the offtake pipe 14 of the carbureter 15 and the throat 16 of the intake manifold 17 of theengine, which is designated generally by the reference character The body head 18 whic inciding with ortion 10 is surmounted by a is a perfect cone, the base 00- the apex of the body porapex 19 of the head ending in a' point or oval. As a fact, the body portion, the head, and the bottom flange are made from a single piece of sheet brass and -shaped as above set forth.

Beginning at a definite line above the base flange, a series of rows of holes 20 are punched, the general shape of the holes being square, the edges 21 projecting at an angle and being ragged or jagged; the holes are h d in alternate rows preferablg, I

that is, the first row at the bottom, the punc ing is done from the inside so that'the ragged edges 21 project outwardly, while in the next row above, the ragged edges project inwardly. The holes of adjacent rows are also disposed in staggered relation vertically and this disposition of the rows is carried out to include the head or cap, the apex 19 of which however, is imperforate. Or the holes or perforations can all be made one way; i. e. either in or out, to best suit conditions.

As before stated, the holes which may be either round or square are punched in rows from the inside and outside alternately preferably, and the ragged edges resulting serve to effectually break up the gasoline or other fuel used gives a whirling motion to the charge and produces a perfect mixture and vaporizing of the gas elements.

The device may be used with any make of engine or carbureter, and the size of the device as a whole and of the punched holes may be varied to suit the circumstances of each individual case.

The plate or base flange 13 into which the lower end of the body portion is expanded, if this form is used, is providedwith the openings 22 through which bolts 23 pass which connect theofitake pipe 14 of the carbureter 15 and intake manifold pipe 16, tak-- ing the place of agasket which is usually resorted to at this point.

When the lower end of the body portion is formed with the right angle flange, as here- 'inbefore mentioned, this flange is applied in the same manner, acting as a gasket and firmly holding the mixer against any movement.

By the use of my mixer with any carbureter more fully complete vaporization is secured, thus adding to the eficiency of both carbureter and engine by insuring the as near perfect combustion as possible of gasoline or other fuel used by mixing air and gas vapor.

I claim 1. A gaseous fuel mixer of the character specified, comprising a truncated coneshaped hollow body portion, a hollow cone head on said body portion, said body portion and head having a pluralit of encircling rows of punch holes, the ho es in alternate rows punched outwardly and inwardly respectively, and presenting a plurality of ragged edges.

2. A gaseous fuel mixer of the character specified, comprising a hollow perforated cone shaped body portion, an anchoring plate or flange adapted to be bolted between the ends of the ofi'take of a carbureter and the throat of the intake manifold of an engine, said plate having a central opening,

and the lower end of the said cone shaped body portion expanded into said central opening and in rigid connection with said anchoring plate.

3. A gaseous fuel mixer of the character specified comprising a tapering tube having a plurality of encircling rows of punched holes, the holes in alternate rows being punched outwardly and inwardly to resent a plurality of oppositely exten ing ragged edges.

4. A gaseous fuel mixer of the character specified, comprising a tubular body portion having a plurality of encircling rows of punched holes, each of said holes presenting a plurality of projecting jagged edges.

5. A gaseous fuel mixer of the character specified, a. truncated cone-shaped hollow body portion, a hollow cone head on said body portion, said body portion and head having a plurality of encircling rows of substantially square punch holes, the holes in alternate I'OWs punched outwardly and inwardly respectively and the holes in adjacent rows disposed in staggered relation each of said substantially square holes presenting a plurality of ragged edges.

DOROTHY BONNELL. 

